/*
 * Copyright 2020 Paul Rybitskyi, paul.rybitskyi.work@gmail.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.paulrybitskyi.gamedge.core.formatters

import com.paulrybitskyi.gamedge.core.R
import com.paulrybitskyi.gamedge.core.providers.StringProvider
import com.paulrybitskyi.hiltbinder.BindType
import javax.inject.Inject
import kotlin.math.roundToInt

interface GameRatingFormatter {
    fun formatRating(rating: Double?): String
}

@BindType
internal class GameRatingFormatterImpl @Inject constructor(
    private val stringProvider: StringProvider
) : GameRatingFormatter {

    private companion object {
        private const val MIN_RATING = 0
        private const val MAX_RATING = 100
    }

    override fun formatRating(rating: Double?): String {
        if (rating == null) {
            return stringProvider.getString(R.string.not_available_abbr)
        }

        return stringProvider.getString(
            R.string.rating_template,
            rating.roundToInt().coerceIn(MIN_RATING, MAX_RATING)
        )
    }
}
